19/22 - (5-2целых5/60):x=2целых10/33
19/22 - (5 -2 5/60) :х=2 10/33 (5 -2 1/12):х=19/22 - 2 10/33 2 11/12 :х= 57/66 - 2 20/66 35/12 : х= - 1 29/66 х= - 35/12 : 95/66 х= - 35/12 * 66/95 х= - 77/38 х= - 2 1/38